linux/fs/coda/coda_linux.h
Fabian Frederick 6975259ae3 coda: remove sysctl object from module when unused
Inspired by NFS sysctl process

Link: http://lkml.kernel.org/r/9afcc2cd09490849b309786bbf47fef75de7f91c.1558117389.git.jaharkes@cs.cmu.edu
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Jan Harkes <jaharkes@cs.cmu.edu>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Colin Ian King <colin.king@canonical.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: David Howells <dhowells@redhat.com>
Cc: Mikko Rapeli <mikko.rapeli@iki.fi>
Cc: Sam Protsenko <semen.protsenko@linaro.org>
Cc: Yann Droneaud <ydroneaud@opteya.com>
Cc: Zhouyang Jia <jiazhouyang09@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-07-16 19:23:23 -07:00

90 lines
2.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Coda File System, Linux Kernel module
*
* Original version, adapted from cfs_mach.c, (C) Carnegie Mellon University
* Linux modifications (C) 1996, Peter J. Braam
* Rewritten for Linux 2.1 (C) 1997 Carnegie Mellon University
*
* Carnegie Mellon University encourages users of this software to
* contribute improvements to the Coda project.
*/
#ifndef _LINUX_CODA_FS
#define _LINUX_CODA_FS
#ifdef pr_fmt
#undef pr_fmt
#endif
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/mm.h>
#include <linux/vmalloc.h>
#include <linux/slab.h>
#include <linux/wait.h>
#include <linux/types.h>
#include <linux/fs.h>
#include "coda_fs_i.h"
/* operations */
extern const struct inode_operations coda_dir_inode_operations;
extern const struct inode_operations coda_file_inode_operations;
extern const struct inode_operations coda_ioctl_inode_operations;
extern const struct dentry_operations coda_dentry_operations;
extern const struct address_space_operations coda_file_aops;
extern const struct address_space_operations coda_symlink_aops;
extern const struct file_operations coda_dir_operations;
extern const struct file_operations coda_file_operations;
extern const struct file_operations coda_ioctl_operations;
/* operations shared over more than one file */
int coda_open(struct inode *i, struct file *f);
int coda_release(struct inode *i, struct file *f);
int coda_permission(struct inode *inode, int mask);
int coda_revalidate_inode(struct inode *);
int coda_getattr(const struct path *, struct kstat *, u32, unsigned int);
int coda_setattr(struct dentry *, struct iattr *);
/* this file: heloers */
char *coda_f2s(struct CodaFid *f);
int coda_iscontrol(const char *name, size_t length);
void coda_vattr_to_iattr(struct inode *, struct coda_vattr *);
void coda_iattr_to_vattr(struct iattr *, struct coda_vattr *);
unsigned short coda_flags_to_cflags(unsigned short);
/* inode to cnode access functions */
static inline struct coda_inode_info *ITOC(struct inode *inode)
{
return container_of(inode, struct coda_inode_info, vfs_inode);
}
static __inline__ struct CodaFid *coda_i2f(struct inode *inode)
{
return &(ITOC(inode)->c_fid);
}
static __inline__ char *coda_i2s(struct inode *inode)
{
return coda_f2s(&(ITOC(inode)->c_fid));
}
/* this will not zap the inode away */
static __inline__ void coda_flag_inode(struct inode *inode, int flag)
{
struct coda_inode_info *cii = ITOC(inode);
spin_lock(&cii->c_lock);
cii->c_flags |= flag;
spin_unlock(&cii->c_lock);
}
#endif